"He played my father in a film called How Do You Know and the relationship that we had, that James L. Brooks, the director, wanted to portray was that of a very loving father and son," he said. "We would always kiss each other hello and goodbye. And James Brooks likes to film a scene 70 times...we just would always kiss."

"On the lips?" Mirren asks.

"M'hm, it was great," Rudd smiles before reenacting his very first kiss with Nicholson by grabbing Mirren and planting a giant smooch on her lips.